$ git clone -n https://src.fedoraproject.org/rpms/pcm.git /var/lib/mock/f40-build-793122-138790/root/chroot_tmpdir/scmroot/pcm
Cloning into '/var/lib/mock/f40-build-793122-138790/root/chroot_tmpdir/scmroot/pcm'...
$ git fetch origin 22a289730fe4a82d10215ca6969e0bc512d7473a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcm
 * [new ref]         22a289730fe4a82d10215ca6969e0bc512d7473a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22a2897 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild